09/21/2026 updated

**** ******** ****
100 % available

Sql Server Database Consultant

Romania
Only remote
Bachelor Degree in Automation and Applied Informatics
Romania
Only remote
Bachelor Degree in Automation and Applied Informatics

Profile attachments

SergiuOnet-CV2.pdf

About me

SQL Server senior DBA, focusing on automation and making SQL Server run faster. I can help with issues like performance tuning, HA\DR, backup\restore strategies, t-sql scripts, database design and architecture, AWS, Azure, Google Cloud topics and data engineering topics.

Amazon Web ServicesMicrosoft AzureData ArchitectureCloud ServicesSQL DatabasesTransact-SQLGoogle CloudDatabase Performance AnalyzerSql Server Database AdministrationSql Server ProgrammingDatabricks
Technical Architecture
Design and documentation of overall IT architecture including hardware, software, networks, and cloud services. Creation of blueprints for system integration and new implementations, ensuring scalability and alignment with business goals.

Database Administration (MSSQL)
Administration, performance analysis, and tuning of MSSQL databases using extended events, Query Store, and Perf Counters. Setup of HADR solutions, backup and restore strategies, security, auditing, and compliance configurations.

Cloud Platforms (AWS, Azure, Google Cloud)
Certified expertise across major cloud platforms including Google Professional Cloud Architect, AWS Solutions Architect Associate, and Microsoft Azure Administrator.

T-SQL & Scripting
Creation of stored procedures, T-SQL code, and custom scripts for client reports. Automation of database tasks and best practices through scripting.

PowerShell Automation
Development of custom PowerShell scripts for automation tasks, reducing manual workload and applying MSSQL best practices efficiently.

Python & C# Development
Development of custom MES software and ERP integration using C# and T-SQL. Programming skills in Python and C# applied to database and software development tasks.

Databricks
Certified Databricks Data Analyst Associate and Databricks Data Engineer Associate, with practical knowledge of data engineering and analytics on the Databricks platform.

Software Development & ERP Integration
Development of custom MES software and ERP integration solutions, combining database administration with software engineering to meet client requirements.

Experience

Professional experience10+ years
Freelancer since2023

Languages

EnglishFluentRomanianNative speaker

Project history

Data Engineer

Endava
Creating ingestion pipelines from various sources like S3, databases
Optimizing data delivery and performance tuning slow workloads
Working with stakeholders to assist them with data related topics
Creating dashboards for reporting and analysis purposes
Improve data quality

Technical Architect

Atos IT Solutions and Services, Timisoara, Romania
Customer account governance implementing long-term IT landscape strategy. Design and documentation of overall IT architecture including hardware, software, networks, and cloud services. Creation of blueprints for system integration and new implementations. Collaboration with different teams to ensure smooth integration of different systems. Ensuring IT landscape scalability and continuous performance monitoring.

Senior MSSQL Database Administrator

Atos IT Solutions and Services, Timisoara, Romania
Supporting team members on advanced database requirements as go-to person for L3 issues. Creating automation scripts for MSSQL best practices and custom PowerShell scripts. Custom reporting, database performance analysis and tuning using extended events, Query Store, and Perf Counters. Providing architecture best practices for MSSQL and dependencies. Setup of HADR solutions, backup and restore strategy, security, auditing, and compliance. Analyzing client requirements and providing best solutions.

Database Administrator / Software Developer

Yazaki Component Technology, Arad, Romania
Developed custom MES software and ERP integration using C# and T-SQL. Created, designed, and administered databases. Created stored procedures and T-SQL code. Developed custom scripts for client reports. Assured and monitored database performance, integrity, and security. Implemented backup and restore strategy.

Certificates

Databricks Data Engineer Associate

Databricks

2026

Databricks Data Analyst Associate

Databricks

2026

AWS Certified Solutions Architect - Associate

AWS

2022

GCP - Professional Cloud Architect

Google

2021


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